Theory of recapitulation - Ernst Haeckel

TLS Online TPP Program

#Id: 10391

#Unit 4. Cell Communication and Cell Signaling

Cancer cells 

acquire a drive to proliferate 

does not require an external inducing signal

fail to sense signals that restrict cell division

survive when they should die

TLS Online TPP Program

#Id: 2653

#Unit 7. System Physiology – Animal

The thin segment of the ascending limb has a much lower reabsorptive capacity than does the thick segment.

TLS Online TPP Program

#Id: 2948

#Unit 3. Fundamental Processes

Related ORC complexes are found in multicellular eukaryotes.

TLS Online TPP Program

#Id: 3393

#Unit 3. Fundamental Processes

Because of its high error rate, translesion synthesis (like NHEJ) can be considered a system of last resort. It enables the cell to survive what might otherwise be a catastrophic block to replication, but the price that is paid is a higher level of mut

TLS Online TPP Program

#Id: 6787

#Unit 3. Fundamental Processes

Piwi-associated RNAs, piRNA, are a special class of miRNA found in germ cells have features distinct from miRNAs.  siRNA (small interfering RNA), which is typically produced during a virus infection.